Spanish (Castilian) · B2 weather

Hacer un sol de justicia

Literally: "To make a sun of justice"

To be scorching hot

Example

No te olvides de ponerte crema solar, hoy hace un sol de justicia.

Don't forget to put on sunscreen, it's scorching hot today.

Pip says

When the sun is shining so bright it feels like a judge's final verdict, use this to describe a really hot day!

What does this phrase mean?